Answer Posted / gaurav khandelwal

A Session refers to all the request that a single client
makes to a server. A session is specific to the user and
for each user a new session is created to track all the
request from that user. Every user has a separate session
and separate session variable is associated with that
session.
HttpSession is an interface that Provides a way to identify
a user across more than one page request or visit to a Web
site and to store information about that user.

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